Am 27.09.2013 11:22, schrieb Toralf Förster: > On 09/26/2013 12:35 PM, Richard Weinberger wrote: >> Am 26.09.2013 12:20, schrieb Ramkumar Ramachandra: >>> Richard Weinberger wrote: >>>> This patch is based on: https://lkml.org/lkml/2013/7/4/396 >>>> >>>> Cc: Ramkumar Ramachandra <artagnon@xxxxxxxxx> >>>> Signed-off-by: Richard Weinberger <richard@xxxxxx> >>>> --- >>>> arch/um/configs/i386_defconfig | 954 +++++++++++++++++++++++++++++++++++++++ >>>> arch/um/configs/x86_64_defconfig | 943 ++++++++++++++++++++++++++++++++++++++ >>>> 2 files changed, 1897 insertions(+) >>>> create mode 100644 arch/um/configs/i386_defconfig >>>> create mode 100644 arch/um/configs/x86_64_defconfig >>> >>> First, I'm pissed that the upstream tree doesn't build and run out of >>> the box months after I submitted a fix in July (and it's September >>> now). Fact that you dropped my sane patches aside and decided to write >>> a much larger series aside, user-mode Linux in upstream is broken. >>> This means that any user who does: >>> >>> $ ARCH=um make defconfig >>> $ ARCH=um make >>> >>> will end up with a *broken* Linux _today_. Unless the user is living >>> in the Stone Age with a 32-bit computer, this is what she will see >>> when she attempts to boot up Linux: > > :-{ > > Grmpf > > There are a lot of 32 bit user land linux installation (beside my own, > look at the x86 Gentoo world) in the wild - even running on modern 64bit > CPUs. The simple reason is that those installations run fine and the > performance "boost" of 64bit often isn't worth a new reinstallation. You *can* of course run 32bit userland on UML. Just create a 32bit UML on x86_64. make defconfig ARCH=um SUBARCH=i386 make linux ARCH=um SUBARCH=i386 This will work on x86_64 and x86 hosts. Thanks, //richard
